12190834534 has 4 divisors (see below), whose sum is σ = 18286251804. Its totient is φ = 6095417266.

The previous prime is 12190834517. The next prime is 12190834547. The reversal of 12190834534 is 43543809121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3047708632 + ... + 3047708635.

It is an arithmetic number, because the mean of its divisors is an integer number (4571562951).

Almost surely, 2^12190834534 is an apocalyptic number.

12190834534 is a deficient number, since it is larger than the sum of its proper divisors (6095417270).

12190834534 is an equidigital number, since it uses as much as digits as its factorization.

12190834534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6095417269.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 12190834534 in words is "twelve billion, one hundred ninety million, eight hundred thirty-four thousand, five hundred thirty-four".